71949272922 has 32 divisors (see below), whose sum is σ = 168302395200. Its totient is φ = 22720822704.

The previous prime is 71949272917. The next prime is 71949272951. The reversal of 71949272922 is 22927294917.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35061973 + ... + 35064024.

It is an arithmetic number, because the mean of its divisors is an integer number (5259449850).

Almost surely, 2^71949272922 is an apocalyptic number.

71949272922 is an abundant number, since it is smaller than the sum of its proper divisors (96353122278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71949272922 is a wasteful number, since it uses less digits than its factorization.

71949272922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70126027 (or 70126021 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The spelling of 71949272922 in words is "seventy-one billion, nine hundred forty-nine million, two hundred seventy-two thousand, nine hundred twenty-two".